Medieval People Drank More Beer Than Water
Due to unsafe drinking water, beer was the preferred daily beverage—even for children. It contained low alcohol levels but was safer than contaminated water.
Historians believe the earliest version of tennis was invented by the ancient Egyptians, but they didn’t use rackets. Instead, they struck the ball with the palm of their hand (called the “rahat”), which was said to have been the origin of the word
Astronomers found 52 binaries of main-sequence stars and white dwarfs in open clusters using AI and Gaia data. These systems reveal the common-envelope phase, crucial for studying stellar evolution, supernovae, and gravitational waves.
A cockroach can hold its breath for 40 minutes. These pests can even survive being submerged under water for half an hour. They hold their breath often to help regulate their loss of water.